4666664442 has 128 divisors (see below), whose sum is σ = 11488573440. Its totient is φ = 1246544640.

The previous prime is 4666664437. The next prime is 4666664501. The reversal of 4666664442 is 2444666664.

It is a junction number, because it is equal to n+sod(n) for n = 4666664391 and 4666664400.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1064968 + ... + 1069340.

It is an arithmetic number, because the mean of its divisors is an integer number (89754480).

Almost surely, 2^4666664442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4666664442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5744286720).

4666664442 is an abundant number, since it is smaller than the sum of its proper divisors (6821908998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4666664442 is a wasteful number, since it uses less digits than its factorization.

4666664442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468.

The product of its digits is 3981312, while the sum is 48.

The square root of 4666664442 is about 68312.9888235027. The cubic root of 4666664442 is about 1671.0990461092.

The spelling of 4666664442 in words is "four billion, six hundred sixty-six million, six hundred sixty-four thousand, four hundred forty-two".